VictorVIcious Well-Known Member Mar 30, 2008 #21 Maybe, its is abc. Sorry about the order, Iwas inthe calculus class in 1966. VV Attachments Backwired.JPG 29.5 KB · Views: 3 aGoldBlack.JPG 33.3 KB · Views: 4 bSilverWhite.JPG 27.8 KB · Views: 4 StripBckSrewColors.JPG 30.1 KB · Views: 3